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HH Aquatics
Nexus 320+ Koi Filter - Now with Free Delivery!
Nexus 320+ Koi Filter - Now with Free Delivery!
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£1,595.00
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Introducing the Evolution Aqua Nexus 320 Filter System, a must-have for any pond owner who is a koi hobbyist. This filter system is designed to maintain the cleanliness and clarity of your pond water, ensuring a healthy environment for your aquatic creatures. With its reliable performance, you can trust that this filter system will keep your pond in top condition for years to come. This filter system is perfect for ponds of all sizes and types - the 320 is aimed at the larger ponds. Its innovative design allows for easy installation and maintenance, making it a hassle-free solution for your pond filtration needs. Get your hands on the Evolution Aqua Nexus 320 Filter System today and see the difference it can make for your pond.
- Overview
- Evolution Aqua Pond Filter Nexus 320 Ponds up to 34000L
- The Nexus 320 and Nexus 220 filtration systems deliver dramatically improved levels of clarity for ponds. Building on the success of the award winning Nexus range this new generation of filters cleverly combine mechanical and biological filtration into one advanced filter system, whilst being incredibly easy to clean and simple to install.
- The Nexus 220 and 320 feature a re-designed Eazy filter which now utilises the all new K1 Micro® Filter Media, in a static bed, to deliver improved levels of mechanical filtration. The Nexus filter systems also use the acclaimed K1 Media in the moving bed to deliver outstanding levels of biological filtration. Together this combination of filter media work to deliver crystal clear and healthy water.
- All Nexus filtration systems can be installed on pump fed or gravity fed setups depending on your pond configuration. The Nexus 220 is suitable for ponds up to 18,000 litres (4,000 gallons) while for larger ponds the Nexus 320 can be installed on ponds up to 34,000 litres (7,500 gallons).
- How the Nexus works
- Water from the pond enters the nexus via the inlet into the inner chamber which works as a vortex allowing larger solids to settle out.
- Water then passes through the grills in the stainless steel “Eazy” filter, where the finer particles are removed at the mechanical stage of filtration, thanks to the static bed of our award winning K1 Micro filter media.
- The mechanically clean water then passes to the outside chamber of the nexus where the K1 Media moving bed is located for biological treatment prior to being returned to the pond.
- At this stage, biological breakdown occurs through different strains of bacteria and filter feeders living on the protected surface area of each piece of the K1 Media. These bacteria convert Ammonia and Nitrite into less harmful Nitrate.
- Water then passes through the exit grill into the outlet, returning back to the pond.
- Eazy Filter
- The Eazy is a stainless steel vessel containing a set volume of K1 Micro Media (20 litres in the Nexus 320 and 18 litres in the Nexus 220) which is located within the inner chamber of the Nexus. After water enters the Nexus it rotates around the Eazy in the inner chamber with a downward motion allowing the larger solids to settle to the bottom of the chamber before passing through the slots of the Eazy into the static K1 Micro. The water flows from all angles through the K1 Micro where improved mechanical filtration and settlement takes place and fine particles are caught within the K1 Micro. The water then flows through the slots in the centre column and into the outer chamber.
- Biological filtration
- The outer chamber of the Nexus contains the moving bed of K1 Media. 100 litres of K1 Media is supplied with the Nexus 320 with the option to add an extra 200 litres of K1 Media should it be needed. The Nexus 220 is supplied with 50 litres of K1 Media, with the option to add an extra 100 litres of K1 Media if needed. This allows your filter’s biological capability to grow with your fish.
- The outer chamber is where the final stage of biological treatment occurs. Biological breakdown occurs through different strains of bacteria living on the protected surface area on each piece of the K1 Media. These bacteria convert Ammonia and Nitrite into harmless Nitrate. The amount of Ammonia and Nitrite produced in the pond is dependent on feed rates and the type of food used. For higher feed rates additional K1 Media should be added into the outer chamber.
- Air pump requirements
- You can increase the biological capacity of your Nexus by adding additional K1 Media into the outer chamber. You will however need to ensure that you have the correct size of air pump to enable the K1 Media to move sufficiently (see table for recommended size of air pump).
- Improved mechanical filtration
- The new design of the Eazy enables the Nexus to capture solids more effectively than before. K1 Micro is used inside the re-designed Eazy helping to deliver improved capture of fine particles, delivering unrivalled mechanical filtration.
- Improved flow
- The new Eazy features an improved pattern of slots in the stainless steel body which makes the filter more efficient. Water can pass through the Eazy through all sides and from below, much more effectively than before. This feature combined with the use of K1 Micro makes for improved flow rates through the entire mechanical filter stage.
- Dramatically improved clarity
- The Nexus 320 and 220 filter systems use two types of filter media to deliver optimum levels of clarity in your pond. K1 Micro is used in the Eazy to improve mechanical filtration while the tried and tested K1 Media is used in the moving bed outer chamber, delivering the biological filtration.
- Easy to clean and maintain
- A key feature of all Nexus filtration systems is the sheer ease of maintenance. This still remains the case with the new Nexus 220 and 320 systems. The Eazy is simply cleaned by using a combi- nation of the cleaning pipe, air valves and ball valves fitted to the Nexus, meaning you don’t need to get your hands dirty. The clear lid fitted to the Eazy also makes it easy to visual inspect the K1 Micro media.
- Better solids handling
- Inside the centre mechanical stage of the Nexus, there is a much larger area for solid waste to be captured and to settle. This area can then be cleaned even easier than before ensuring the filter does not clog up with unnecessary amounts of waste.
- Removable Eazy
- All Eazy filters used in the Nexus 320 / 220 series can be removed if needed with the K1 Micro in place. This added feature is ideal when undertaking further maintenance.
- Flow rates
- One of the factors that can have a significant influence on the general parameters of our ponds is turn over rate. This is the time that it takes for the total volume of the pond to pass through the filter system once. We recommend that for ideal performance a turn over rate of every 2 to 3 hours is found to be best.
Please note these items are BIG and you will need several strong bodies to help you maneuver. The item will be delivered to the front of your house only. The delivery team will not help you get it into your garden.
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